metasploit-framework

https://github.com/rapid7/metasploit-framework

Ruby

Metasploit Framework

Net::DNS::Header#opCode=

Set the +opCode+ variable to a new value. This fields indicates
the type of the question present in the DNS packet; +val+ can be 
one of the values QUERY, IQUERY or STATUS. 

* QUERY is the standard DNS query
* IQUERY is the inverse query
* STATUS is used to query the nameserver for its status

Example:

  include Net::DNS
  header = Header.new
  header.opCode = Header::STATUS

Source | Google | Stack overflow

Edit

git clone [email protected]:rapid7/metasploit-framework.git

cd metasploit-framework

open lib/net/dns/header.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Net--DNS--Header-opCode--for-pr

# Commit to git

git add lib/net/dns/header.rbgit commit -m "better docs for Net::DNS::Header#opCode="

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Net--DNS--Header-opCode--for-pr

hub pull-request

# Celebrate!